Home / 33,885.05-46,761.76-18,777.96

Finding the Fourth Proportional to 33,885.05, 46,761.76 and 18,777.96

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Solution

The fourth proportional to 33,885.05, 46,761.76 and 18,777.96 is: 25,913.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,885.05 : 46,761.76 = 18,777.96 : x
  2. Step 2: Convert to fraction form
    33,885.05/46,761.76 = 18,777.96/x
  3. Step 3: Cross multiply
    33,885.05x = 46,761.76 × 18,777.96
  4. Step 4: Simplify right side
    33,885.05x = 878,090,482.28
  5. Step 5: Solve for x
    x = 878,090,482.28/33,885.05
  6. Step 6: Final answer
    x = 25,913.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.